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Note 7 - Stockholders' Equity (Tables)

12 Months Ended

Mar. 31, 2016

Notes Tables

Dividends Declared [Table Text Block]

		Year E nded March 31,
		2016				201 5				201 4
First quarter		$	0.16			$	0.15			$	0.14
Second quarter			0.16				0.15				0.14
Third quarter			0.16				0.16				0.15
Fourth quarter			0.16				0.16				0.15

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